@article{StoemmerGoebelHubetal.1998,
  author    = {St{\"o}mmer, Ralph and G{\"o}bel, H. and Hub, W. and Pietsch, Ullrich},
  title     = {X-ray scattering from silicon surfaces},
  year      = {1998},
  language  = {en}
}
@article{StoemmerMartinGeueetal.1998,
  author    = {St{\"o}mmer, Ralph and Martin, C. R. and Geue, Thomas and G{\"o}bel, H. and Hub, W. and Pietsch, Ullrich},
  title     = {Comparative studies of fractal parameters of Si(100) surfaces measured by X-ray scattering and atomic force microscopy},
  year      = {1998},
  language  = {en}
}